EditTextPasswordWithVisibilityToggle.java 文件源码

private void updatePasswordVisibility() {

        if (mPasswordVisible) {
            setTransformationMethod(HideReturnsTransformationMethod.getInstance());
        } else {
            setTransformationMethod(PasswordTransformationMethod.getInstance());
        }


        Drawable drawable = ContextCompat.getDrawable(getContext(),R.drawable.ic_remove_red_eye_black_18dp);
        Drawable wrap = DrawableCompat.wrap(drawable);
        if (mPasswordVisible) {

            DrawableCompat.setTint(wrap, ContextCompat.getColor(getContext(), R.color.colorPrimary));
            DrawableCompat.setTintMode(wrap, PorterDuff.Mode.SRC_IN);
            wrap = wrap.mutate();
        } else {
            DrawableCompat.setTint(wrap, Color.BLACK);
            DrawableCompat.setTintMode(wrap, PorterDuff.Mode.SRC_IN);
            wrap = wrap.mutate();
        }
        setCompoundDrawablesWithIntrinsicBounds(null, null, wrap, null);
        setCompoundDrawablePadding(10);
    }